• New U-Pb zircon ages of the Sandbian (Upper Ordovician) "Big K-bentonite" in Baltoscandia (Estonia and Sweden) by LA-ICPMSBauert, Heikki; Isozaki, Yukio; Holmer, Lars Erik; Aoki, Kazumasa; Sakata, Shuhei; Hirata, TakafumiGFF2014 / p. 30-33 : ill https://doi.org/10.1080/11035897.2013.862854 https://www.scopus.com/sourceid/25844 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901234985&origin=inward&txGid=27241fef4ed0cdb51abc67bc141fc90b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GFF&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000335945500007